IMPROVABLY

Etymology

Adverb

improvably (not comparable)

So as to permit improvement.

In a way that cannot be proven.

Source: Wiktionary

IMPROVABLE

Im*prov"a*ble, a. Etym: [From Improve.]

1. Capable of being improved; susceptible of improvement; admitting of being made better; capable of cultivation, or of being advanced in good qualities. Man is accommodated with moral principles, improvable by the exercise of his faculties. Sir M. Hale. I have a fine spread of improvable lands. Addison.

2. Capable of being used to advantage; profitable; serviceable; advantageous. The essays of weaker heads afford improvable hints to better. Sir T. Browne.

– Im*pro"a*ble*ness, n.

– Im*prov"a*bly, adv.

Source: Webster’s Unabridged Dictionary 1913 Edition